diff options
Diffstat (limited to 'arch/arm/mach-pxa/mfp-pxa2xx.c')
| -rw-r--r-- | arch/arm/mach-pxa/mfp-pxa2xx.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c index b0a842887780..ef0426a159d4 100644 --- a/arch/arm/mach-pxa/mfp-pxa2xx.c +++ b/arch/arm/mach-pxa/mfp-pxa2xx.c | |||
| @@ -33,6 +33,8 @@ | |||
| 33 | #define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) | 33 | #define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) |
| 34 | #define GPLR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5)) | 34 | #define GPLR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5)) |
| 35 | #define GPDR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x0c) | 35 | #define GPDR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x0c) |
| 36 | #define GPSR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x18) | ||
| 37 | #define GPCR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x24) | ||
| 36 | 38 | ||
| 37 | #define PWER_WE35 (1 << 24) | 39 | #define PWER_WE35 (1 << 24) |
| 38 | 40 | ||
| @@ -348,6 +350,7 @@ static inline void pxa27x_mfp_init(void) {} | |||
| 348 | #ifdef CONFIG_PM | 350 | #ifdef CONFIG_PM |
| 349 | static unsigned long saved_gafr[2][4]; | 351 | static unsigned long saved_gafr[2][4]; |
| 350 | static unsigned long saved_gpdr[4]; | 352 | static unsigned long saved_gpdr[4]; |
| 353 | static unsigned long saved_gplr[4]; | ||
| 351 | static unsigned long saved_pgsr[4]; | 354 | static unsigned long saved_pgsr[4]; |
| 352 | 355 | ||
| 353 | static int pxa2xx_mfp_suspend(void) | 356 | static int pxa2xx_mfp_suspend(void) |
| @@ -366,14 +369,26 @@ static int pxa2xx_mfp_suspend(void) | |||
| 366 | } | 369 | } |
| 367 | 370 | ||
| 368 | for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) { | 371 | for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) { |
| 369 | |||
| 370 | saved_gafr[0][i] = GAFR_L(i); | 372 | saved_gafr[0][i] = GAFR_L(i); |
| 371 | saved_gafr[1][i] = GAFR_U(i); | 373 | saved_gafr[1][i] = GAFR_U(i); |
| 372 | saved_gpdr[i] = GPDR(i * 32); | 374 | saved_gpdr[i] = GPDR(i * 32); |
| 375 | saved_gplr[i] = GPLR(i * 32); | ||
| 373 | saved_pgsr[i] = PGSR(i); | 376 | saved_pgsr[i] = PGSR(i); |
| 374 | 377 | ||
| 375 | GPDR(i * 32) = gpdr_lpm[i]; | 378 | GPSR(i * 32) = PGSR(i); |
| 379 | GPCR(i * 32) = ~PGSR(i); | ||
| 380 | } | ||
| 381 | |||
| 382 | /* set GPDR bits taking into account MFP_LPM_KEEP_OUTPUT */ | ||
| 383 | for (i = 0; i < pxa_last_gpio; i++) { | ||
| 384 | if ((gpdr_lpm[gpio_to_bank(i)] & GPIO_bit(i)) || | ||
| 385 | ((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) && | ||
| 386 | (saved_gpdr[gpio_to_bank(i)] & GPIO_bit(i)))) | ||
| 387 | GPDR(i) |= GPIO_bit(i); | ||
| 388 | else | ||
| 389 | GPDR(i) &= ~GPIO_bit(i); | ||
| 376 | } | 390 | } |
| 391 | |||
| 377 | return 0; | 392 | return 0; |
| 378 | } | 393 | } |
| 379 | 394 | ||
| @@ -384,6 +399,8 @@ static void pxa2xx_mfp_resume(void) | |||
| 384 | for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) { | 399 | for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) { |
| 385 | GAFR_L(i) = saved_gafr[0][i]; | 400 | GAFR_L(i) = saved_gafr[0][i]; |
| 386 | GAFR_U(i) = saved_gafr[1][i]; | 401 | GAFR_U(i) = saved_gafr[1][i]; |
| 402 | GPSR(i * 32) = saved_gplr[i]; | ||
| 403 | GPCR(i * 32) = ~saved_gplr[i]; | ||
| 387 | GPDR(i * 32) = saved_gpdr[i]; | 404 | GPDR(i * 32) = saved_gpdr[i]; |
| 388 | PGSR(i) = saved_pgsr[i]; | 405 | PGSR(i) = saved_pgsr[i]; |
| 389 | } | 406 | } |
